使声音降低 发表于 2025-3-25 06:38:23

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Bph773 发表于 2025-3-25 10:20:48

A Mathematical Programming Approach to Marker-Assisted Gene Pyramiding,s of individuals such that the number of generations, the number of crossings, and the required populations size are minimized. We present for the first time a mathematical model for the general problem variant and show that the problem is .-hard and even hard to approximate. On the positive side, w

洞穴 发表于 2025-3-25 15:08:49

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标准 发表于 2025-3-25 19:11:47

Experimentally Observed Bifurcation Diagramsighted, e.g., by Ziegler, 1968, 1977 ; Thompson and Hunt, 1973, 1984 , ; Ben-Haim and Elishakoff, 1990 ; Bažant and Cedolin, 1991 ; and references therein. For bifurcation of materials, refer, e.g., to Hill and Hutchinson, 1975 and Vardoulakis and Sulem, 1992 .

革新 发表于 2025-3-25 21:17:28

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Airtight 发表于 2025-3-26 00:49:14

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ROOF 发表于 2025-3-26 07:45:23

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自由职业者 发表于 2025-3-26 10:55:39

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VICT 发表于 2025-3-26 16:20:46

Simulation and Experimental Study on Hot Forging Process of SiCp/2A14 Composite, hot forging pressure, the more times of forging, the better the formability; after solid solution at 500 °C for 6 h, the parts aging for 8 and 12 h can obtain satisfactory mechanical properties, but it is found that as the aging time increases, the tensile strength of the composite increases while the elongation decreases.

dura-mater 发表于 2025-3-26 18:40:56

Overview of the T2K Experiment, paper will highlight the origins, iterations and current successful programs of MTEC, including its future vision, and presents a mechanism for industry and academia to collaborate to address future professional skills needs in the minerals industry globally.
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查看完整版本: Titlebook: Mathematische Tafeln für Markscheider und Bergingenieure sowie zum Gebrauche für Bergschulen; Ernst Lüling Book 1902Latest edition Verlag